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NEET PHYSICSEasy

Candela is the unit of

A

Electric intensity

B

Luminous intensity

C

Sound intensity

D

None of these

Step-by-Step Solution

  1. Definition: According to the International System of Units (SI), the candela (symbol cd) is the base unit of luminous intensity .
  2. Context: It is one of the seven fundamental SI units and is defined based on the luminous efficacy of monochromatic radiation of frequency 540×1012540 \times 10^{12} Hz .
  3. Conclusion: Therefore, candela measures luminous intensity, not electric or sound intensity.
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